Vulnerability in Mailvelope
CVE-2019-9148
Mailvelope prior to 3.3.0 accepts or operates with invalid PGP public keys: Mailvelope allows importing keys that contain users without a valid self-certification. Keys that are obviously invalid are not rejected during import. An attacker that is able to get a victim to import a manipulated key could claim to have signed a message that originates from another person.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/mailvelope/mailvelope/blob/master/Changelog.md (Third Party Advisory, Release Notes)
- www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Ext… (Third Party Advisory)
- www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Ext… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9148?
- CVE-2019-9148 is a medium-severity vulnerability in Mailvelope, classified under Improper Certificate Validation. CVSS score: 4.3/10. Published 2019-07-09.
- How severe is CVE-2019-9148?
- Medium severity. CVSS v3 base score is 4.3 out of 10.